“镭”的拼音为：léi...

镭可以用来治疗癌症.Radium can be used to treat cancer.氡是镭的子体.Radon is the daughter of radium.镭在离它的原始母体一定距离上固定下来.Radium can be fixed some distance from its original source....

“镭射器”的英语可以翻译为：[医]Nt(niton) ...

“镭”的英语可以翻译为：adium，[医] Ra ...